laravel unique() code example
Example 1: get unique values in laravel
$users = User::select('name')->distinct()->get();
Example 2: laravel unique validation
public function store(Request $request)
{
$validatedData = $request->validate([
'title' => 'required|unique:posts|max:255',
'body' => 'required',
]);
}
Example 3: laravel unique id
function generateBarcodeNumber() {
$number = mt_rand(1000000000, 9999999999);
if (barcodeNumberExists($number)) {
return generateBarcodeNumber();
}
return $number;
}
function barcodeNumberExists($number) {
return User::whereBarcodeNumber($number)->exists();
}